Home / 80,584.76-120,835.43-36,173.27

Finding the Fourth Proportional to 80,584.76, 120,835.43 and 36,173.27

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Solution

The fourth proportional to 80,584.76, 120,835.43 and 36,173.27 is: 54,241.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,584.76 : 120,835.43 = 36,173.27 : x
  2. Step 2: Convert to fraction form
    80,584.76/120,835.43 = 36,173.27/x
  3. Step 3: Cross multiply
    80,584.76x = 120,835.43 × 36,173.27
  4. Step 4: Simplify right side
    80,584.76x = 4,371,012,634.96
  5. Step 5: Solve for x
    x = 4,371,012,634.96/80,584.76
  6. Step 6: Final answer
    x = 54,241.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.